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-rw-r--r--include/xas/synth.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/xas/synth.h b/include/xas/synth.h
index ca83c69..cb0b3bd 100644
--- a/include/xas/synth.h
+++ b/include/xas/synth.h
@@ -8,6 +8,7 @@
#include <xas/audio.h>
#define XAS_SYNTH_DEFAULT_GAIN 1.0f
+#define XAS_SYNTH_DEFAULT_DUTY 1.0f
#define XAS_SYNTH_DEFAULT_FREQUENCY 2600 /* Hz */
enum xas_synth_type {
@@ -38,7 +39,8 @@ struct _xas_synth {
xas_synth_sample_callback sample;
float phase,
- gain;
+ gain,
+ duty;
size_t frequency;
};
@@ -51,6 +53,8 @@ void xas_synth_destroy(xas_synth *synth);
void xas_synth_set_gain(xas_synth *synth, float gain);
+void xas_synth_set_duty(xas_synth *synth, float duty);
+
void xas_synth_set_frequency(xas_synth *synth, size_t frequency);
void xas_synth_set_type(xas_synth *synth, enum xas_synth_type type);